Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Database\Connection::prepareQuery

Drupal\Core\Database\Connection::prepareQueryRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls124 123 -1 -0.8%
Incl. Wall Time (microsec)2,064 2,025 -39 -1.9%
Incl. Wall Time (microsec) per call 17 16 -0 -1.1%
Excl. Wall Time (microsec)535 524 -11 -2.1%
Incl. CPU (microsecs)2,171 2,125 -46 -2.1%
Incl. CPU (microsecs) per call 18 17 -0 -1.3%
Excl. CPU (microsec)445 430 -15 -3.4%
Incl. MemUse (bytes)137,904 136,952 -952 -0.7%
Incl. MemUse (bytes) per call 1,112 1,113 1 0.1%
Excl. MemUse (bytes)-24,200 -24,048 152 0.6%
Incl. PeakMemUse (bytes)60,384 60,048 -336 -0.6%
Incl. PeakMemUse (bytes) per call 487 488 1 0.3%
Excl. PeakMemUse (bytes)2,312 2,312 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Database\Connection::prepareQuery [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
Drupal\Core\Database\Connection::prepareQuery-1 -33.3% -39 -2.1% -46 -2.5% -952 -1.1% -336 -0.4%
Exclusive Metrics Diff for Current Function-11 -28.2% -15 -32.6% 152 16.0% 0 0.0%
Parent function
Drupal\Core\Database\Connection::query-1 -100.0% -39 -100.0% -46 -100.0% -952 -100.0% -336 -100.0%
Child functions
Drupal\Core\Database\Connection::prefixTables-1 -50.0% -17 -43.6% -19 -41.3% -200 -21.0% -216 -64.3%
PDO::prepare-1 -50.0% -11 -28.2% -12 -26.1% -904 -95.0% -120 -35.7%